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Method for cleaning out of dirt on surface of aviation tube by using degreasing agent

A technology for surface oil stains and air tubes, applied in the field of cleaning, can solve problems such as incomplete cleaning, achieve the effect of improving quality and yield, improving economic benefits, and cleaning clean

Inactive Publication Date: 2007-01-31
CHONGQING IRON & STEEL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the insufficiency of incomplete cleaning in the existing method for cleaning the oil stains on the surface of aviation tubes with degreasing agents, the purpose of this invention is to provide a cleaner and more thorough method for cleaning the oil stains on the surface of aviation tubes with degreasing agents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] The method will be described in detail below in conjunction with the embodiments.

[0008] In this cleaning method, firstly soak the aviation tube completely in the degreasing agent at 50-95°C for 20-60 minutes, then take out the aviation tube and wash the inner and outer walls of the aviation tube with a high-pressure water gun. When flushing the inner wall, first put the filler into the inner wall of the aviation tube, and then wash it with a high-pressure water gun.

[0009] implement

example

Composition of degreasing solution

Additives

Degreasing agent temperature

degree(℃)

Soaking time

(minute)

Effect

1

80g / L NaOH+40g / L Na 2 CO 3 +30g / L

Na 3 PO 4 12H 2 O+15g / L Na 2 SiO 3

Appropriate amount

50

60

better

2

80g / L NaOH+40g / L Na 2 CO 3 +30g / L

Na 3 PO 4 12H...

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PUM

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Abstract

A method for removing the oily dirt from the surface of aircraft tube by degreasing agent includes such steps as immersing the aircraft tube in the degreasing agent at 50-95 deg.C for 2-60 min, flushing its external surface by high-pressure water, filling the filler in the aircraft tube, and flushing the inner surface by high-pressure water. Said filler is chosen from foam, plastics and chemical fibers for increasing friction.

Description

technical field [0001] The invention relates to a cleaning method, in particular to a method for cleaning oil stains on the surface of aviation tubes with a degreasing agent. Background technique [0002] Aviation tubes (mainly including superalloy GH163 aviation tubes and 1Cr18Ni9Ti stainless steel tubes) are special manufacturing materials for aviation and aerospace engines, and are mainly used in cutting-edge fields such as aerospace, aviation and nuclear energy. Aviation tubes are high-tech products with a long life cycle, and their quality requirements are very high, so the control of their production process is particularly important. Due to the complex production process of aviation tubes, there are many production processes from smelting to pipes. During these production processes, oil stains are easy to adhere to the inner and outer walls of aviation tubes. The oil stains contain more chlorinated paraffin, which is difficult to remove. The existence of oil pollutio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/02B08B3/08B08B3/02
Inventor 王周树严明英杨军和张全新陈红
Owner CHONGQING IRON & STEEL (GRP) CO LTD
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